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                            # 了解Media Queries
>[success]Media Queries，其作用就是允許添加表達式用以媒體查詢，以此來選擇不同的樣式表，從而自動適應不同的屏幕分辨率。
>

css2里面雖然支持@media屬性，但是能實現的功能比較少，一般只用做打印的時候做特殊定義的CSS，我們不去討論。

css3的@media屬性在CSS3里面已經演變成一種 media queries（媒體查詢/匹配）了,在CSS3里面，可以用查詢語句來匹配各種類型的屏幕
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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